qg hole opening agent and release agent qg 1211
| qg hole opening agent and release agent | |
| qg products | product features |
| qg 1211 | slow rebound hole opening agent, 20-30% less than sk1900, milky white liquid |

qg hole opening agent and release agent qg 1211
| qg hole opening agent and release agent | |
| qg products | product features |
| qg 1211 | slow rebound hole opening agent, 20-30% less than sk1900, milky white liquid |
